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-rwxr-xr-xtests/qemu-iotests/13131
-rw-r--r--tests/qemu-iotests/131.out38
2 files changed, 69 insertions, 0 deletions
diff --git a/tests/qemu-iotests/131 b/tests/qemu-iotests/131
index 304bbb3..324008b 100755
--- a/tests/qemu-iotests/131
+++ b/tests/qemu-iotests/131
@@ -74,6 +74,37 @@ poke_file "$TEST_IMG" "$inuse_offset" "\x59\x6e\x6f\x74"
echo "== read corrupted image with repairing =="
{ $QEMU_IO -c "read -P 0x11 $CLUSTER_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
+echo "== check discard =="
+
+# Clear image
+_make_test_img $size
+
+{ $QEMU_IO -c "write -P 0x11 0 $CLUSTER_DBL_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
+{ $QEMU_IMG map "$TEST_IMG"; } 2>&1 | _filter_qemu_img_map
+{ $QEMU_IO -c "discard 0 $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
+{ $QEMU_IMG map "$TEST_IMG"; } 2>&1 | _filter_qemu_img_map
+{ $QEMU_IO -c "read -P 0 0 $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
+
+echo "== check simple allocation over the discarded hole =="
+
+{ $QEMU_IO -c "write -P 0x11 $CLUSTER_DBL_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
+{ $QEMU_IMG map "$TEST_IMG"; } 2>&1 | _filter_qemu_img_map
+{ $QEMU_IO -c "read -P 0x11 $CLUSTER_DBL_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
+
+echo "== check more complex allocation over the discard hole =="
+
+# Clear image
+_make_test_img $size
+
+{ $QEMU_IO -c "write -P 0x11 $CLUSTER_DBL_SIZE $CLUSTER_DBL_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
+{ $QEMU_IO -c "discard $CLUSTER_DBL_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
+# There is 1 cluster hole. Fill it fully and allocate 1 cluster at the end
+{ $QEMU_IO -c "write -P 0x12 $CLUSTER_HALF_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
+{ $QEMU_IMG map "$TEST_IMG"; } 2>&1 | _filter_qemu_img_map
+{ $QEMU_IO -c "read -P 0x12 $CLUSTER_HALF_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
+{ $QEMU_IO -c "read -P 0 0 $CLUSTER_HALF_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
+{ $QEMU_IO -c "read -P 0 $((CLUSTER_SIZE + CLUSTER_HALF_SIZE)) $CLUSTER_HALF_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
+
echo "== allocate with backing =="
# Verify that allocating clusters works fine even when there is a backing image.
# Regression test for a bug where we would pass a buffer read from the backing
diff --git a/tests/qemu-iotests/131.out b/tests/qemu-iotests/131.out
index d290457..27df91c 100644
--- a/tests/qemu-iotests/131.out
+++ b/tests/qemu-iotests/131.out
@@ -26,6 +26,44 @@ read 524288/524288 bytes at offset 0
Repairing image was not closed correctly
read 1048576/1048576 bytes at offset 1048576
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+== check discard ==
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
+wrote 2097152/2097152 bytes at offset 0
+2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+Offset Length File
+0 0x200000 TEST_DIR/t.IMGFMT
+discard 1048576/1048576 bytes at offset 0
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+Offset Length File
+0x100000 0x100000 TEST_DIR/t.IMGFMT
+read 1048576/1048576 bytes at offset 0
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+== check simple allocation over the discarded hole ==
+wrote 1048576/1048576 bytes at offset 2097152
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+Offset Length File
+0x100000 0x100000 TEST_DIR/t.IMGFMT
+0x200000 0x100000 TEST_DIR/t.IMGFMT
+read 1048576/1048576 bytes at offset 2097152
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+== check more complex allocation over the discard hole ==
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
+wrote 2097152/2097152 bytes at offset 2097152
+2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+discard 1048576/1048576 bytes at offset 2097152
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 1048576/1048576 bytes at offset 524288
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+Offset Length File
+0 0x100000 TEST_DIR/t.IMGFMT
+0x100000 0x100000 TEST_DIR/t.IMGFMT
+0x300000 0x100000 TEST_DIR/t.IMGFMT
+read 1048576/1048576 bytes at offset 524288
+1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 524288/524288 bytes at offset 0
+512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 524288/524288 bytes at offset 1572864
+512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== allocate with backing ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864